Update OpenZiti to v1.15.1

[renovate]

This PR updates the OpenZiti ziti-edge-tunnel binary from to .

Automated Changes

Renovate has automatically updated:

• ✅ zititunneller/Dockerfile - Updated ZITI_VERSION to
• ✅ zititunneller/config.yaml - Bumped addon minor version
• ✅ zititunneller/CHANGELOG.md - Added release notes from upstream

Release Notes

---

Ready to merge after testing! This PR is fully automated - no manual edits needed.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: zititunneller/Dockerfile

Post-upgrade command 'bash .github/scripts/update-zititunneller.sh' has not been added to the allowed list in allowedCommands